What does anaerobic mean?
In the presence of oxygen
Without oxygen
Without air
What gases make up biogas?
Methane and ethanol
Propane and carbon dioxide
Methane and carbon dioxide
Which process contributes towards global warming?
Photosynthesis
Respiration
Combustion
Which process involves water seeping into soil?
Transpiration
Condensation
Infiltration
What carbon conversion occurs in aerobic respiration?
Glucose to carbon dioxide
Carbon dioxide to glucose
Fuel to carbon dioxide
From where does water leave plants during transpiration?
Root hair cells
Stomata
Xylem vessels
What do plants compete for?
Light, water and space
Light, food and mates
Light, food and territory
What do animals compete for?
Food, mates and light
Food, mates and territory
Food, space and light
Which process does NOT release carbon dioxide into the atmosphere?
Which process results in water falling from clouds?
Precipitation